teachers' union continue to disagree on covid protocols. that's as medical experts warn about the true toll the pandemic is having on american students. more on all of this, a lot of people are up sit, gillian. >> american academy of pediatrics and others have declared a national state of emergency in children's mental health caused by covid. the c.d.c. is reporting a dramatic rise in adolescent e.r. visits for mental health crisis. grief, anxiety, depression, children have endured assault of the closures and forced isolation is now boiling over. one mother tells fox news her high school son behavior changed during his month, the months his school was shut down. >> he was failing, he fell into a deep depression, not a lot of communication between us. he was wandering, pacing, really almost -- it was not a good